The [[Severus Snape|Half-Blood Prince]] used a slightly different potion formula, that included [[Honeywater]], mint sprigs, stewed [[Mandrake]], and essence of [[Lavender]].<ref name="HBP/g">''[[Harry Potter and the Half-Blood Prince (video game)]]''</ref>

The [[Severus Snape|Half-Blood Prince]] used a slightly different potion formula, that included [[Honeywater]], mint sprigs, stewed [[Mandrake]], and essence of [[Lavender]].<ref name="HBP/g">''[[Harry Potter and the Half-Blood Prince (video game)]]''</ref>